Bilstein B12 Sportline Kit (Front / Rear) - BMW / 320i / 328d / 328i / 330e / 330i / 330i / 428i / 430iBilstein B12 (Pro Kit) suspension kits include a complete set of Bilstein Performance dampers paired with Eibach (Pro Kit) springs that provide moderate lowering between 24 40mm (depending on application). These kits offer dampers and springs that are tuned for each specific application to provide the best fixed height lowering solution. Bilstein B12 (Pro Kit) suspension kits provide the perfect combination of suspension dynamics, quality and

Finish it off:

Proven power on Stage 1 and Stage 2 cars

NOTE: Not to be used with Audi Mag-Ride Suspension

Dyno-Tuned Intake Tube: his system features a high quality

Mar-M246: Every set of GC Turbochargers comes with a Mar-M26 Superalloy turbine wheel for unmatched durability

This R&D has resulted in the development of the Active Autowerke F87 M2C and M2CS equal length mid-pipe (patent pending) – the other option to our world-famous F8X single mid-pipe

- 2003 to 2005 B6-S4 Sedan

Silver is the best Electric and Heat Conductor - the best material for performance and racing spark plugs

0T ECU Tunes are fully realized performance calibrations that deliver unmatched power figures

This axle-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability

The thickness and composition of this Nitride layer are independently verified in a materials testing lab for each production batch

Bar is adjustable